sanchayanmaity/minix
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
minix/external/bsd/kyua-testers/dist/fs_test.c
Lionel Sambuc 11be35a165 Importing NetBSD "Kyua" test framework 
To do so, a few dependencies have been imported:

 * external/bsd/lutok
 * external/mit/lua
 * external/public-domain/sqlite
 * external/public-domain/xz

The Kyua framework is the new generation of ATF (Automated Test
Framework), it is composed of:

 * external/bsd/atf
 * external/bsd/kyua-atf-compat
 * external/bsd/kyua-cli
 * external/bsd/kyua-tester
 * tests

Kyua/ATF being written in C++, it depends on libstdc++ which is
provided by GCC. As this is not part of the sources, Kyua is only
compiled when the native GCC utils are installed.

To install Kyua do the following:

 * In a cross-build enviromnent, add the following to the build.sh
   commandline: -V MKBINUTILS=yes -V MKGCCCMDS=yes

WARNING:
  At this point the import is still experimental, and not supported
  on native builds (a.k.a make build).

Change-Id: I26aee23c5bbd2d64adcb7c1beb98fe0d479d7ada
2013-07-23 20:43:41 +02:00

576 lines
17 KiB
C
Raw Blame History

// Copyright 2012 Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "fs.h"
#include <sys/stat.h>
#include <sys/wait.h>
#include <assert.h>
#include <dirent.h>
#include <err.h>
#include <errno.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <atf-c.h>
#include "error.h"
static void run_mount_tmpfs(const char*) KYUA_DEFS_NORETURN;
/// Operating systems recognized by the code below.
enum os_type {
os_unsupported = 0,
os_freebsd,
os_linux,
os_netbsd,
os_sunos,
};
/// The current operating system.
static enum os_type current_os =
#if defined(__FreeBSD__)
os_freebsd
#elif defined(__linux__)
os_linux
#elif defined(__NetBSD__)
os_netbsd
#elif defined(__SunOS__)
os_sunos
#else
os_unsupported
#endif
;
/// Checks if a directory entry exists and matches a specific type.
///
/// \param dir The directory in which to look for the entry.
/// \param name The name of the entry to look up.
/// \param expected_type The expected type of the file as given by dir(5).
///
/// \return True if the entry exists and matches the given type; false
/// otherwise.
static bool
lookup(const char* dir, const char* name, const int expected_type)
{
DIR* dirp = opendir(dir);
ATF_REQUIRE(dirp != NULL);
bool found = false;
struct dirent* dp;
while (!found && (dp = readdir(dirp)) != NULL) {
if (strcmp(dp->d_name, name) == 0 &&
dp->d_type == expected_type) {
found = true;
}
}
closedir(dirp);
return found;
}
/// Executes 'mount -t tmpfs' (or a similar variant).
///
/// This function must be called from a subprocess, as it never returns.
///
/// \param mount_point Location on which to mount a tmpfs.
static void
run_mount_tmpfs(const char* mount_point)
{
const char* mount_args[16];
size_t last = 0;
switch (current_os) {
case os_freebsd:
mount_args[last++] = "mdmfs";
mount_args[last++] = "-s16m";
mount_args[last++] = "md";
mount_args[last++] = mount_point;
break;
case os_linux:
mount_args[last++] = "mount";
mount_args[last++] = "-ttmpfs";
mount_args[last++] = "tmpfs";
mount_args[last++] = mount_point;
break;
case os_netbsd:
mount_args[last++] = "mount";
mount_args[last++] = "-ttmpfs";
mount_args[last++] = "tmpfs";
mount_args[last++] = mount_point;
break;
case os_sunos:
mount_args[last++] = "mount";
mount_args[last++] = "-Ftmpfs";
mount_args[last++] = "tmpfs";
mount_args[last++] = mount_point;
break;
default:
err(123, "Don't know how to mount a file system for testing "
"purposes");
}
mount_args[last] = NULL;
const char** arg;
printf("Mounting tmpfs onto %s with:", mount_point);
for (arg = &mount_args[0]; *arg != NULL; arg++)
printf(" %s", *arg);
printf("\n");
const int ret = execvp(mount_args[0], KYUA_DEFS_UNCONST(mount_args));
assert(ret == -1);
err(EXIT_FAILURE, "Failed to exec %s", mount_args[0]);
};
/// Mounts a temporary file system.
///
/// This is only provided for testing purposes. The mounted file system
/// contains no valuable data.
///
/// Note that the calling test case is skipped if the current operating system
/// is not supported.
///
/// \param mount_point The path on which the file system will be mounted.
static void
mount_tmpfs(const char* mount_point)
{
// SunOS's mount(8) requires paths to be absolute. To err on the side of
// caution, let's make it absolute in all cases.
//const fspath abs_mount_point = mount_point.is_absolute() ?
// mount_point : mount_point.to_absolute();
pid_t pid = fork();
ATF_REQUIRE(pid != -1);
if (pid == 0)
run_mount_tmpfs(mount_point);
int status;
ATF_REQUIRE(waitpid(pid, &status, 0) != -1);
ATF_REQUIRE(WIFEXITED(status));
if (WEXITSTATUS(status) == 123)
atf_tc_skip("Don't know how to mount a file system for testing "
"purposes");
else
ATF_REQUIRE_EQ(EXIT_SUCCESS, WEXITSTATUS(status));
}
static bool
lchmod_fails(void)
{
ATF_REQUIRE(mkdir("test", 0755) != -1);
return lchmod("test", 0700) == -1 && chmod("test", 0700) != -1;
}
ATF_TC_WITHOUT_HEAD(cleanup__file);
ATF_TC_BODY(cleanup__file, tc)
{
atf_utils_create_file("root", "%s", "");
ATF_REQUIRE(lookup(".", "root", DT_REG));
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_REG));
}
ATF_TC_WITHOUT_HEAD(cleanup__subdir__empty);
ATF_TC_BODY(cleanup__subdir__empty, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(lookup(".", "root", DT_DIR));
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC_WITHOUT_HEAD(cleanup__subdir__files_and_directories);
ATF_TC_BODY(cleanup__subdir__files_and_directories, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
atf_utils_create_file("root/.hidden_file", "%s", "");
ATF_REQUIRE(mkdir("root/.hidden_dir", 0755) != -1);
atf_utils_create_file("root/.hidden_dir/a", "%s", "");
atf_utils_create_file("root/file", "%s", "");
atf_utils_create_file("root/with spaces", "%s", "");
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1/dir2", 0755) != -1);
atf_utils_create_file("root/dir1/dir2/file", "%s", "");
ATF_REQUIRE(mkdir("root/dir1/dir3", 0755) != -1);
ATF_REQUIRE(lookup(".", "root", DT_DIR));
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC_WITHOUT_HEAD(cleanup__subdir__unprotect_regular);
ATF_TC_BODY(cleanup__subdir__unprotect_regular, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1/dir2", 0755) != -1);
atf_utils_create_file("root/dir1/dir2/file", "%s", "");
ATF_REQUIRE(chmod("root/dir1/dir2/file", 0000) != -1);
ATF_REQUIRE(chmod("root/dir1/dir2", 0000) != -1);
ATF_REQUIRE(chmod("root/dir1", 0000) != -1);
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC(cleanup__subdir__unprotect_symlink);
ATF_TC_HEAD(cleanup__subdir__unprotect_symlink, tc)
{
atf_tc_set_md_var(tc, "require.progs", "/bin/ls");
// We are ensuring that chmod is not run on the target of a symlink, so
// we cannot be root (nor we don't want to, to prevent unprotecting a
// system file!).
atf_tc_set_md_var(tc, "require.user", "unprivileged");
}
ATF_TC_BODY(cleanup__subdir__unprotect_symlink, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
ATF_REQUIRE(symlink("/bin/ls", "root/dir1/ls") != -1);
ATF_REQUIRE(chmod("root/dir1", 0555) != -1);
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC_WITHOUT_HEAD(cleanup__subdir__links);
ATF_TC_BODY(cleanup__subdir__links, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
ATF_REQUIRE(symlink("../../root", "root/dir1/loop") != -1);
ATF_REQUIRE(symlink("non-existent", "root/missing") != -1);
ATF_REQUIRE(lookup(".", "root", DT_DIR));
kyua_error_t error = kyua_fs_cleanup("root");
if (kyua_error_is_set(error)) {
if (lchmod_fails())
atf_tc_expect_fail("lchmod(2) is not implemented in your system");
kyua_error_free(error);
atf_tc_fail("kyua_fs_cleanup returned an error");
}
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC(cleanup__mount_point__simple);
ATF_TC_HEAD(cleanup__mount_point__simple, tc)
{
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(cleanup__mount_point__simple, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
atf_utils_create_file("root/zz", "%s", "");
mount_tmpfs("root/dir1");
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC(cleanup__mount_point__overlayed);
ATF_TC_HEAD(cleanup__mount_point__overlayed, tc)
{
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(cleanup__mount_point__overlayed, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
atf_utils_create_file("root/zz", "%s", "");
mount_tmpfs("root/dir1");
mount_tmpfs("root/dir1");
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC(cleanup__mount_point__nested);
ATF_TC_HEAD(cleanup__mount_point__nested, tc)
{
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(cleanup__mount_point__nested, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1/dir2", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir3", 0755) != -1);
mount_tmpfs("root/dir1/dir2");
mount_tmpfs("root/dir3");
ATF_REQUIRE(mkdir("root/dir1/dir2/dir4", 0755) != -1);
mount_tmpfs("root/dir1/dir2/dir4");
ATF_REQUIRE(mkdir("root/dir1/dir2/not-mount-point", 0755) != -1);
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC(cleanup__mount_point__links);
ATF_TC_HEAD(cleanup__mount_point__links, tc)
{
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(cleanup__mount_point__links, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir3", 0755) != -1);
mount_tmpfs("root/dir1");
ATF_REQUIRE(symlink("../dir3", "root/dir1/link") != -1);
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
ATF_TC(cleanup__mount_point__busy);
ATF_TC_HEAD(cleanup__mount_point__busy, tc)
{
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(cleanup__mount_point__busy, tc)
{
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(mkdir("root/dir1", 0755) != -1);
mount_tmpfs("root/dir1");
pid_t pid = fork();
ATF_REQUIRE(pid != -1);
if (pid == 0) {
if (chdir("root/dir1") == -1)
abort();
atf_utils_create_file("dont-delete-me", "%s", "");
atf_utils_create_file("../../done", "%s", "");
pause();
exit(EXIT_SUCCESS);
} else {
fprintf(stderr, "Waiting for child to finish preparations\n");
while (!atf_utils_file_exists("done")) {}
fprintf(stderr, "Child done; cleaning up\n");
ATF_REQUIRE(kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(atf_utils_file_exists("root/dir1/dont-delete-me"));
fprintf(stderr, "Killing child\n");
ATF_REQUIRE(kill(pid, SIGKILL) != -1);
int status;
ATF_REQUIRE(waitpid(pid, &status, 0) != -1);
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_cleanup("root")));
ATF_REQUIRE(!lookup(".", "root", DT_DIR));
}
}
ATF_TC_WITHOUT_HEAD(concat__one);
ATF_TC_BODY(concat__one, tc)
{
char* path;
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_concat(&path, "foo", NULL)));
ATF_REQUIRE_STREQ("foo", path);
free(path);
}
ATF_TC_WITHOUT_HEAD(concat__two);
ATF_TC_BODY(concat__two, tc)
{
char* path;
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_concat(&path, "foo", "bar", NULL)));
ATF_REQUIRE_STREQ("foo/bar", path);
free(path);
}
ATF_TC_WITHOUT_HEAD(concat__several);
ATF_TC_BODY(concat__several, tc)
{
char* path;
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_concat(&path, "/usr", ".", "bin",
"ls", NULL)));
ATF_REQUIRE_STREQ("/usr/./bin/ls", path);
free(path);
}
ATF_TC_WITHOUT_HEAD(current_path__ok);
ATF_TC_BODY(current_path__ok, tc)
{
char* previous;
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_current_path(&previous)));
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(chdir("root") != -1);
char* cwd;
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_current_path(&cwd)));
char* exp_cwd;
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_concat(&exp_cwd, previous, "root",
NULL)));
ATF_REQUIRE_STREQ(exp_cwd, cwd);
free(exp_cwd);
free(cwd);
free(previous);
}
ATF_TC_WITHOUT_HEAD(current_path__enoent);
ATF_TC_BODY(current_path__enoent, tc)
{
char* previous;
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_current_path(&previous)));
ATF_REQUIRE(mkdir("root", 0755) != -1);
ATF_REQUIRE(chdir("root") != -1);
ATF_REQUIRE(rmdir("../root") != -1);
char* cwd = (char*)0xdeadbeef;
kyua_error_t error = kyua_fs_current_path(&cwd);
ATF_REQUIRE(kyua_error_is_set(error));
ATF_REQUIRE(kyua_error_is_type(error, "libc"));
ATF_REQUIRE_EQ(ENOENT, kyua_libc_error_errno(error));
ATF_REQUIRE_EQ((char*)0xdeadbeef, cwd);
kyua_error_free(error);
free(previous);
}
ATF_TC_WITHOUT_HEAD(make_absolute__absolute);
ATF_TC_BODY(make_absolute__absolute, tc)
{
char* absolute;
ATF_REQUIRE(!kyua_error_is_set(kyua_fs_make_absolute(
"/this/is/absolute", &absolute)));
ATF_REQUIRE_STREQ("/this/is/absolute", absolute);
free(absolute);
}
ATF_TC_WITHOUT_HEAD(make_absolute__relative);
ATF_TC_BODY(make_absolute__relative, tc)
{
kyua_error_t error;
char* absolute;
DIR* previous = opendir(".");
ATF_REQUIRE(previous != NULL);
ATF_REQUIRE(chdir("/usr") != -1);
error = kyua_fs_make_absolute("bin/foobar", &absolute);
const int previous_fd = dirfd(previous);
ATF_REQUIRE(fchdir(previous_fd) != -1);
close(previous_fd);
ATF_REQUIRE(!kyua_error_is_set(error));
ATF_REQUIRE_STREQ("/usr/bin/foobar", absolute);
free(absolute);
}
ATF_TC(unmount__ok);
ATF_TC_HEAD(unmount__ok, tc)
{
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(unmount__ok, tc)
{
ATF_REQUIRE(mkdir("mount_point", 0755) != -1);
atf_utils_create_file("mount_point/test1", "%s", "");
mount_tmpfs("mount_point");
atf_utils_create_file("mount_point/test2", "%s", "");
ATF_REQUIRE(!atf_utils_file_exists("mount_point/test1"));
ATF_REQUIRE( atf_utils_file_exists("mount_point/test2"));
kyua_fs_unmount("mount_point");
ATF_REQUIRE( atf_utils_file_exists("mount_point/test1"));
ATF_REQUIRE(!atf_utils_file_exists("mount_point/test2"));
}
ATF_TC(unmount__fail);
ATF_TC_HEAD(unmount__fail, tc)
{
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(unmount__fail, tc)
{
kyua_error_t error = kyua_fs_unmount("mount_point");
ATF_REQUIRE(kyua_error_is_set(error));
kyua_error_free(error);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, cleanup__file);
ATF_TP_ADD_TC(tp, cleanup__subdir__empty);
ATF_TP_ADD_TC(tp, cleanup__subdir__files_and_directories);
ATF_TP_ADD_TC(tp, cleanup__subdir__unprotect_regular);
ATF_TP_ADD_TC(tp, cleanup__subdir__unprotect_symlink);
ATF_TP_ADD_TC(tp, cleanup__subdir__links);
ATF_TP_ADD_TC(tp, cleanup__mount_point__simple);
ATF_TP_ADD_TC(tp, cleanup__mount_point__overlayed);
ATF_TP_ADD_TC(tp, cleanup__mount_point__nested);
ATF_TP_ADD_TC(tp, cleanup__mount_point__links);
ATF_TP_ADD_TC(tp, cleanup__mount_point__busy);
ATF_TP_ADD_TC(tp, concat__one);
ATF_TP_ADD_TC(tp, concat__two);
ATF_TP_ADD_TC(tp, concat__several);
ATF_TP_ADD_TC(tp, current_path__ok);
ATF_TP_ADD_TC(tp, current_path__enoent);
ATF_TP_ADD_TC(tp, make_absolute__absolute);
ATF_TP_ADD_TC(tp, make_absolute__relative);
ATF_TP_ADD_TC(tp, unmount__ok);
ATF_TP_ADD_TC(tp, unmount__fail);
return atf_no_error();
}
Reference in a new issue View git blame Copy permalink